usb_stack

TeenyUSB Stack

设备接口函数 Device API

普通函数 Normal function

function name	description
tusb_get_device	Get chip USB device handle
tusb_open	Open USB Device, Connect
tusb_close	Close USB device, Disconnect
tusb_send_data	Send endpoint data
tusb_set_rx_buffer	Set OUT endpoint recv buffer
tusb_set_rx_valid	Set OUT endpoint valid

回调函数，用户实现 Callback function

function name	description
tusb_reconfig	Config endpoint here
tusb_class_request	Class request
tusb_on_rx_done	Data received
tusb_on_tx_done	Data send finish
tusb_get_report_descriptor	Report descriptor request

Host API

普通函数 Normal function

function name	description
tusb_get_host	Get chip USB host handle
tusb_open_host	Open USB host
tusb_close_host	Close USB host
tusb_host_port_reset	Set host port reset state
tusb_pipe_open	Open/allocate pipe for data transfer
tusb_pipe_close	Close/free pipe
tusb_pipe_setup	Transfer setup packet
tusb_pipe_xfer_data	Transfer data packet
tusb_pipe_wait	Wait/Get pipe transfer state

回调函数，用户实现 Callback function

function name	description
tusb_host_port_changed	Port state changed
tusb_on_channel_event	Changed event

函数处理流程

USB FS模块

USB OTG模块设备模式 Device

USB OTG模块主机模式 Host